Genitalia and anatomy of Callina bulverii. S slope of Pico do Facho: 220 whole genitalia excluding part of OSD, AG and gonads 221 ornamentation of the inner walls of the vagina, the penis and the genital atrium 222 cross section of the duct of the bursa copulatrix 223 penial papilla 224 inner walls of epiphallus 225 cross section of penial papilla 226 longitudinal section of penial papilla. Scale bars 1 mm.

 
 
  Part of: De Mattia W, Neiber MT, Groh K (2018) Revision of the genus-group Hystricella R. T. Lowe, 1855 from Porto Santo (Madeira Archipelago), with descriptions of new recent and fossil taxa (Gastropoda, Helicoidea, Geomitridae). ZooKeys 732: 1-125. https://doi.org/10.3897/zookeys.732.21677